# ChartFox Browser Extension

> Enable fully-integrated chart viewing within the ChartFox web app

Canonical page: [https://chrome-stats.com/d/chartfox-browser-extension](https://chrome-stats.com/d/chartfox-browser-extension)

## Overview

- **ID:** `chartfox-browser-extension`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Cobalt Grid Ltd
- **Category:** other
- **Daily users:** 2,400
- **Weekly downloads:** 39
- **Rating:** 4.20 / 5 (5 ratings)
- **Version:** 1.3.1
- **Last updated:** 2023-08-28
- **First published:** 2023-07-18
- **Size:** 36 KB
- **Data as of:** 2026-09-14
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/chartfox-browser-extension/)

## Description

The ChartFox Browser Extension enhances your experience with the ChartFox web application by enabling fully integrated viewing of aeronautical charts. It works behind the scenes to adjust response headers when accessing PDF charts from suppliers, ensuring you download charts directly while enjoying smooth, in-app display integration. Made by the creators of ChartFox, this official extension is the trusted tool for pilots and aviation professionals looking for efficient chart access and viewing.

## Rankings

- #1,970 — Overall
- #307 — Other extensions
- #3 — chart
- #5 — browser extension
- #30 — chrome browser
- #36 — browser

## Permissions and access

### Permissions

- `declarativeNetRequest`

### Host permissions

- `*://*.chartfox.org/*`
- `*://*/*`

### Content script matches

- `*.chartfox.org`

## Safety

- **Risk impact:** Moderate risk impact
- **Risk likelihood:** Low risk likelihood

### Analysis details

- Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
- This extension has low user count. Unpopular extensions may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

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Source: [Chrome-Stats](https://chrome-stats.com/d/chartfox-browser-extension)